CVE-2017-0248

moderate-risk
Published 2017-05-12

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka ".NET Security Feature Bypass Vulnerability."

Do I need to act?

~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (8)

Affected Vendors

Microsoft

References (6)

Third Party Advisory http://www.securityfocus.com/bid/98117
http://www.securitytracker.com/id/1038458
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248
Third Party Advisory http://www.securityfocus.com/bid/98117
http://www.securitytracker.com/id/1038458
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248
43
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 14/34 · Moderate